[maemo-developers] HildonControlbar

[From: Tommi Komulainen]

On Tue, 2007-04-03 at 04:03 -0700, ext Mike Morrison wrote:
> Can someone explain the following code comment & code block to me (or
> tell me where to find the "specs").
> 
> /*
>  * Event handler for button press
>  * Need to change button1 to button2 before passing this event to
> 
>  * parent handler. (see specs)
>  * Also updates button_press variable so that we can draw hilites
>  * correctly
>  */
> static gint hildon_controlbar_button_press_event(GtkWidget * widget,
>                                                  GdkEventButton * event)
> 
> 
> Code can be seen here:
> 
> https://stage.maemo.org/svn/maemo/projects/haf/trunk/hildon-libs/hildon-widgets/hildon-controlbar.c
> 
> Why does it need to change the button? I have a button handler on my
> main window and double left clicks are being passed up to my handler
> as a middle clicks I usually do a special operation on the middle
> click, but I guess I will need to #ifndef it. 

This is so that the underlying GtkRange does the 'move to pointer
position' action rather than 'make a page up/down scroll towards the
pointer'

On normal desktop you can see the difference of pressing left/middle
button on the empty area of a scrollbar.


-- 
Tommi Komulainen                            <tommi.komulainen at nokia.com>